darrylcauldwell.com On a journey around the datacenter and public cloud.

How To Get & Put Items Into dynamoDB With Powershell

AWS dynamoDB is a really useful key-value store which is really easy to consume from scripts. However while the AWS Powershell module contains functions for ‘Managing Tables’ it does not contain functions for ‘Reading Data’ or ‘Modifying Data’. I had found Julian Biddle had written a blog post about how this might be done by making direct calls to AWS AmazonDynamoDBClient SDK for .net. While this was a useful starting point I had to read around this alot to get it to work how I needed, this post is an explaination of my understanding.

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How To Setup VPC Peering With Ansible

In this post I look at setting up AWS VPC peering using Ansible. To do this we will start simple and add complexity to our configuration, we will start with peering within a single account and then move to script across accounts.

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How To Use AWS CloudFormation With Ansible

AWS CloudFormation gives developers and systems administrators an easy way to create and manage a collection of related AWS resources, provisioning and updating them in an orderly and predictable fashion. Ansible is a radically simple IT automation engine that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many other IT needs. Ansible uses no agents and no additional custom security infrastructure, so it’s easy to deploy, it uses a very simple language which allows you to describe your automation jobs in a way that approaches plain English.

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Docker Networking

Hear I describe Docker networking from the very basic through to extending it by pluggin in alternative drivers. In order to follow along with this post you will require Docker capability on your laptop to do this follow these instructions.

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Migrate VMware VMs to AWS EC2 using Server Migration Services (SMS)

The AWS Server Migration Service simplifies and streamlines the process of migrating existing virtualized applications to Amazon EC2. AWS SMS allows you to automate, schedule, and track incremental replications of live server volumes, making it easier for you to coordinate large-scale server migrations. Presently this only supports migrating from VMware with support for other hypervisors and physical servers is coming soon.

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